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<FONT color="green">001</FONT>    package net.jmatrix.eproperties.include;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.io.*;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.net.URL;<a name="line.4"></a>
<FONT color="green">005</FONT>    <a name="line.5"></a>
<FONT color="green">006</FONT>    import net.jmatrix.eproperties.EProperties;<a name="line.6"></a>
<FONT color="green">007</FONT>    import net.jmatrix.eproperties.cache.CacheManager;<a name="line.7"></a>
<FONT color="green">008</FONT>    import net.jmatrix.eproperties.utils.*;<a name="line.8"></a>
<FONT color="green">009</FONT>    <a name="line.9"></a>
<FONT color="green">010</FONT>    import org.apache.commons.logging.*;<a name="line.10"></a>
<FONT color="green">011</FONT>    <a name="line.11"></a>
<FONT color="green">012</FONT>    /**<a name="line.12"></a>
<FONT color="green">013</FONT>     * Loads properties from file, http(s), or classpath locations. <a name="line.13"></a>
<FONT color="green">014</FONT>     */<a name="line.14"></a>
<FONT color="green">015</FONT>    public class URLPropertiesLoader implements PropertiesLoader {<a name="line.15"></a>
<FONT color="green">016</FONT>       static Log log=LogFactory.getLog(URLPropertiesLoader.class);<a name="line.16"></a>
<FONT color="green">017</FONT>       static CacheManager cacheManager=CacheManager.getInstance();<a name="line.17"></a>
<FONT color="green">018</FONT>       <a name="line.18"></a>
<FONT color="green">019</FONT>       /** */<a name="line.19"></a>
<FONT color="green">020</FONT>       public boolean acceptsURL(String s) {<a name="line.20"></a>
<FONT color="green">021</FONT>          if (s == null)<a name="line.21"></a>
<FONT color="green">022</FONT>             return false;<a name="line.22"></a>
<FONT color="green">023</FONT>          <a name="line.23"></a>
<FONT color="green">024</FONT>          if (s.toLowerCase().startsWith("file:/") ||<a name="line.24"></a>
<FONT color="green">025</FONT>              s.toLowerCase().startsWith("http://") ||<a name="line.25"></a>
<FONT color="green">026</FONT>              s.toLowerCase().startsWith("https://") ||<a name="line.26"></a>
<FONT color="green">027</FONT>              s.toLowerCase().startsWith("classpath:/")) {<a name="line.27"></a>
<FONT color="green">028</FONT>             return true;<a name="line.28"></a>
<FONT color="green">029</FONT>          }<a name="line.29"></a>
<FONT color="green">030</FONT>          return false;<a name="line.30"></a>
<FONT color="green">031</FONT>       }<a name="line.31"></a>
<FONT color="green">032</FONT>    <a name="line.32"></a>
<FONT color="green">033</FONT>       /** */<a name="line.33"></a>
<FONT color="green">034</FONT>       public Object loadProperties(EProperties parent, String surl, <a name="line.34"></a>
<FONT color="green">035</FONT>             EProperties options) {<a name="line.35"></a>
<FONT color="green">036</FONT>    <a name="line.36"></a>
<FONT color="green">037</FONT>          Object result=null;<a name="line.37"></a>
<FONT color="green">038</FONT>    <a name="line.38"></a>
<FONT color="green">039</FONT>          <a name="line.39"></a>
<FONT color="green">040</FONT>          //surl=surl.toLowerCase();<a name="line.40"></a>
<FONT color="green">041</FONT>          <a name="line.41"></a>
<FONT color="green">042</FONT>          // Translate classpath:// URLs to Java internal URLs.<a name="line.42"></a>
<FONT color="green">043</FONT>          surl=URLUtil.convertClasspathURL(surl);<a name="line.43"></a>
<FONT color="green">044</FONT>          String lcurl=surl.toLowerCase();<a name="line.44"></a>
<FONT color="green">045</FONT>    //      if (surl.startsWith("classpath:/")) {<a name="line.45"></a>
<FONT color="green">046</FONT>    //         System.out.println ("Found classpath URL: "+surl);<a name="line.46"></a>
<FONT color="green">047</FONT>    //         // First strip off the stuff that I created - 'classpath://'<a name="line.47"></a>
<FONT color="green">048</FONT>    //         String resourcepath=surl.substring("classpath:/".length());<a name="line.48"></a>
<FONT color="green">049</FONT>    //         System.out.println ("Resource path: "+resourcepath);<a name="line.49"></a>
<FONT color="green">050</FONT>    //         URL url=URLPropertiesLoader.class.getResource(resourcepath);<a name="line.50"></a>
<FONT color="green">051</FONT>    //         <a name="line.51"></a>
<FONT color="green">052</FONT>    //         if (url == null) {<a name="line.52"></a>
<FONT color="green">053</FONT>    //            throw new RuntimeException("Cannot find resource in classpath for URL "+surl);<a name="line.53"></a>
<FONT color="green">054</FONT>    //         }<a name="line.54"></a>
<FONT color="green">055</FONT>    //         System.out.println (surl+" -&gt; "+url.toExternalForm());<a name="line.55"></a>
<FONT color="green">056</FONT>    //         surl=url.toExternalForm(); // this will start with either file:// or jar:file:/<a name="line.56"></a>
<FONT color="green">057</FONT>    //      }<a name="line.57"></a>
<FONT color="green">058</FONT>    //      <a name="line.58"></a>
<FONT color="green">059</FONT>          if (lcurl.startsWith("http://") || lcurl.startsWith("https://") ||<a name="line.59"></a>
<FONT color="green">060</FONT>              lcurl.startsWith("file:/") || lcurl.startsWith("jar:file:/")) {<a name="line.60"></a>
<FONT color="green">061</FONT>             log.debug("Loading as absolute URL: "+surl); <a name="line.61"></a>
<FONT color="green">062</FONT>             result=loadFromURL(surl, options, parent);<a name="line.62"></a>
<FONT color="green">063</FONT>          } else if (surl.startsWith("/")) { <a name="line.63"></a>
<FONT color="green">064</FONT>             log.debug("Loading as absolute file: "+surl);<a name="line.64"></a>
<FONT color="green">065</FONT>             // ok, just try to open it as a local file.<a name="line.65"></a>
<FONT color="green">066</FONT>             File f=new File(surl);<a name="line.66"></a>
<FONT color="green">067</FONT>             if (f.exists()) {<a name="line.67"></a>
<FONT color="green">068</FONT>                try {<a name="line.68"></a>
<FONT color="green">069</FONT>                   result=loadFromURL(f.toURI().toURL().toExternalForm(), options, parent);<a name="line.69"></a>
<FONT color="green">070</FONT>                   //props.load(f.toURI().toURL());<a name="line.70"></a>
<FONT color="green">071</FONT>                } catch (IOException ex) {<a name="line.71"></a>
<FONT color="green">072</FONT>                   if (options.getBoolean("failonerror", true)) {<a name="line.72"></a>
<FONT color="green">073</FONT>                      throw new <a name="line.73"></a>
<FONT color="green">074</FONT>                      RuntimeException("Error loading included properties from '"+<a name="line.74"></a>
<FONT color="green">075</FONT>                            surl+"'", ex);<a name="line.75"></a>
<FONT color="green">076</FONT>                   } else {<a name="line.76"></a>
<FONT color="green">077</FONT>                      log.warn("Cannot find file '"+surl+"', failonerror=false");<a name="line.77"></a>
<FONT color="green">078</FONT>                   }<a name="line.78"></a>
<FONT color="green">079</FONT>                }<a name="line.79"></a>
<FONT color="green">080</FONT>             } else {<a name="line.80"></a>
<FONT color="green">081</FONT>                // the file does not exist.  <a name="line.81"></a>
<FONT color="green">082</FONT>                if (options.getBoolean("failonerror", true)) {<a name="line.82"></a>
<FONT color="green">083</FONT>                   throw new RuntimeException("Cannot find file '"+surl+"' to include.");<a name="line.83"></a>
<FONT color="green">084</FONT>                } else {<a name="line.84"></a>
<FONT color="green">085</FONT>                   log.warn("Cannot find file '"+surl+"' to include. failonerror=false");<a name="line.85"></a>
<FONT color="green">086</FONT>                }<a name="line.86"></a>
<FONT color="green">087</FONT>             }<a name="line.87"></a>
<FONT color="green">088</FONT>          } else {<a name="line.88"></a>
<FONT color="green">089</FONT>             // ok, the URL does not start with [http:// | https:// | file://], so<a name="line.89"></a>
<FONT color="green">090</FONT>             // let's assume it is a relative reference to the most recent parent.<a name="line.90"></a>
<FONT color="green">091</FONT>             // This means that if the parent is:<a name="line.91"></a>
<FONT color="green">092</FONT>             //   file://../config/config.properties, and the include url is 'include.properties'<a name="line.92"></a>
<FONT color="green">093</FONT>             // then the include should be processed from that relative location:<a name="line.93"></a>
<FONT color="green">094</FONT>             //   file://../config/include.properties<a name="line.94"></a>
<FONT color="green">095</FONT>             //<a name="line.95"></a>
<FONT color="green">096</FONT>             // Similarly, if the parent URL is:<a name="line.96"></a>
<FONT color="green">097</FONT>             //    http://jmatrix.net/properties/public/foo.properties <a name="line.97"></a>
<FONT color="green">098</FONT>             // and the url is:<a name="line.98"></a>
<FONT color="green">099</FONT>             //    '../bar/baz.properties'<a name="line.99"></a>
<FONT color="green">100</FONT>             // then the include should be<a name="line.100"></a>
<FONT color="green">101</FONT>             //    http://jmatrix.net/properties/public/../bar/baz.properties<a name="line.101"></a>
<FONT color="green">102</FONT>             <a name="line.102"></a>
<FONT color="green">103</FONT>             URL parentURL=parent.findSourceURL();<a name="line.103"></a>
<FONT color="green">104</FONT>             <a name="line.104"></a>
<FONT color="green">105</FONT>             log.debug("Loading as relative URL, parent URL is '"+parentURL+"'");<a name="line.105"></a>
<FONT color="green">106</FONT>             <a name="line.106"></a>
<FONT color="green">107</FONT>             if (parentURL == null) {<a name="line.107"></a>
<FONT color="green">108</FONT>                // ok, just try to open it as a local file.<a name="line.108"></a>
<FONT color="green">109</FONT>                File f=new File(surl);<a name="line.109"></a>
<FONT color="green">110</FONT>                if (f.exists()) {<a name="line.110"></a>
<FONT color="green">111</FONT>                   try {<a name="line.111"></a>
<FONT color="green">112</FONT>                      result=loadFromURL(f.toURI().toURL().toExternalForm(), options, parent);<a name="line.112"></a>
<FONT color="green">113</FONT>                      //props.load(f.toURI().toURL());<a name="line.113"></a>
<FONT color="green">114</FONT>                   } catch (IOException ex) {<a name="line.114"></a>
<FONT color="green">115</FONT>                      if (options.getBoolean("failonerror", true)) {<a name="line.115"></a>
<FONT color="green">116</FONT>                         throw new <a name="line.116"></a>
<FONT color="green">117</FONT>                         RuntimeException("Error loading included properties from '"+<a name="line.117"></a>
<FONT color="green">118</FONT>                               surl+"'", ex);<a name="line.118"></a>
<FONT color="green">119</FONT>                      } else {<a name="line.119"></a>
<FONT color="green">120</FONT>                         log.warn("Cannot find file '"+surl+"', failonerror=false");<a name="line.120"></a>
<FONT color="green">121</FONT>                      }<a name="line.121"></a>
<FONT color="green">122</FONT>                   }<a name="line.122"></a>
<FONT color="green">123</FONT>                } else {<a name="line.123"></a>
<FONT color="green">124</FONT>                   // the file does not exist.  <a name="line.124"></a>
<FONT color="green">125</FONT>                   if (options.getBoolean("failonerror", true)) {<a name="line.125"></a>
<FONT color="green">126</FONT>                      throw new RuntimeException("Cannot find file '"+surl+"' to include.");<a name="line.126"></a>
<FONT color="green">127</FONT>                   } else {<a name="line.127"></a>
<FONT color="green">128</FONT>                      log.warn("Cannot find file '"+surl+"' to include. failonerror=false");<a name="line.128"></a>
<FONT color="green">129</FONT>                   }<a name="line.129"></a>
<FONT color="green">130</FONT>                }<a name="line.130"></a>
<FONT color="green">131</FONT>             } else {<a name="line.131"></a>
<FONT color="green">132</FONT>                // create relative URL string<a name="line.132"></a>
<FONT color="green">133</FONT>                String workingSURL=parentURL.toString();<a name="line.133"></a>
<FONT color="green">134</FONT>                workingSURL=workingSURL.substring(0, workingSURL.lastIndexOf("/")+1)+surl;<a name="line.134"></a>
<FONT color="green">135</FONT>                log.debug("Loading w/ rel URL: '"+workingSURL+"'");<a name="line.135"></a>
<FONT color="green">136</FONT>                result=loadFromURL(workingSURL, options, parent);<a name="line.136"></a>
<FONT color="green">137</FONT>    //            try {<a name="line.137"></a>
<FONT color="green">138</FONT>    //               URL url=new URL(workingSURL);<a name="line.138"></a>
<FONT color="green">139</FONT>    //               <a name="line.139"></a>
<FONT color="green">140</FONT>    //               props.load(url);<a name="line.140"></a>
<FONT color="green">141</FONT>    //            } catch (IOException ex) {<a name="line.141"></a>
<FONT color="green">142</FONT>    //               throw new <a name="line.142"></a>
<FONT color="green">143</FONT>    //               RuntimeException("Error loading included properties from '"+surl+"'", ex);<a name="line.143"></a>
<FONT color="green">144</FONT>    //            }<a name="line.144"></a>
<FONT color="green">145</FONT>             }<a name="line.145"></a>
<FONT color="green">146</FONT>          }<a name="line.146"></a>
<FONT color="green">147</FONT>          <a name="line.147"></a>
<FONT color="green">148</FONT>          return result;<a name="line.148"></a>
<FONT color="green">149</FONT>       }<a name="line.149"></a>
<FONT color="green">150</FONT>    <a name="line.150"></a>
<FONT color="green">151</FONT>       <a name="line.151"></a>
<FONT color="green">152</FONT>       /** <a name="line.152"></a>
<FONT color="green">153</FONT>        * Returns either a String or an EProperties object, dependent on <a name="line.153"></a>
<FONT color="green">154</FONT>        * whether the parse property is true or false.<a name="line.154"></a>
<FONT color="green">155</FONT>        * <a name="line.155"></a>
<FONT color="green">156</FONT>        * */<a name="line.156"></a>
<FONT color="green">157</FONT>       private Object loadFromURL(String surl, EProperties options, EProperties parent) {<a name="line.157"></a>
<FONT color="green">158</FONT>          Object result=null;<a name="line.158"></a>
<FONT color="green">159</FONT>          try {<a name="line.159"></a>
<FONT color="green">160</FONT>             URL url=new URL(surl);<a name="line.160"></a>
<FONT color="green">161</FONT>             if (options.getBoolean("parse", true)) {<a name="line.161"></a>
<FONT color="green">162</FONT>                EProperties props=new EProperties(parent);<a name="line.162"></a>
<FONT color="green">163</FONT>                props.load(url);<a name="line.163"></a>
<FONT color="green">164</FONT>                result=props;<a name="line.164"></a>
<FONT color="green">165</FONT>             } else {<a name="line.165"></a>
<FONT color="green">166</FONT>                // load it as a string<a name="line.166"></a>
<FONT color="green">167</FONT>                //InputStream is=url.openStream();<a name="line.167"></a>
<FONT color="green">168</FONT>                InputStream is=cacheManager.getInputStream(url);<a name="line.168"></a>
<FONT color="green">169</FONT>                try {<a name="line.169"></a>
<FONT color="green">170</FONT>                   String value=StreamUtil.readToString(is);<a name="line.170"></a>
<FONT color="green">171</FONT>                   result=value;<a name="line.171"></a>
<FONT color="green">172</FONT>                } finally {<a name="line.172"></a>
<FONT color="green">173</FONT>                   if (is != null)<a name="line.173"></a>
<FONT color="green">174</FONT>                      is.close();<a name="line.174"></a>
<FONT color="green">175</FONT>                }<a name="line.175"></a>
<FONT color="green">176</FONT>             }<a name="line.176"></a>
<FONT color="green">177</FONT>          } catch (IOException ex) {<a name="line.177"></a>
<FONT color="green">178</FONT>             <a name="line.178"></a>
<FONT color="green">179</FONT>             if (options.getBoolean("failonerror", true)) {<a name="line.179"></a>
<FONT color="green">180</FONT>                throw new <a name="line.180"></a>
<FONT color="green">181</FONT>                RuntimeException("Error loading included properties from '"+surl+"'", ex);<a name="line.181"></a>
<FONT color="green">182</FONT>             } else {<a name="line.182"></a>
<FONT color="green">183</FONT>                log.info("Cannot load properties from  '"+surl+"', failonerror=false");<a name="line.183"></a>
<FONT color="green">184</FONT>             }<a name="line.184"></a>
<FONT color="green">185</FONT>          }<a name="line.185"></a>
<FONT color="green">186</FONT>          return result;<a name="line.186"></a>
<FONT color="green">187</FONT>       }<a name="line.187"></a>
<FONT color="green">188</FONT>    }<a name="line.188"></a>




























































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